Shaft has a 0.140 in. Diameter hole drilled the entire length of shaft; qwench and temper rockwell hardness c37/c42
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 5998-00-851-4139
NSN 5855-01-520-5873
NSN 5910-01-536-3527
NSN 5999-01-217-8812
NSN 6110-00-510-3788
NSN 5999-01-240-1382
NSN 5960-00-188-8648
NSN 6240-01-631-8680
NSN 6150-00-070-1006
NSN 5960-01-020-6316
NSN 5915-01-332-9080
NSN 5925-01-616-7552